:root{--bg: #f3f4f6;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--accent: #ff6b4a;--accent-dark: #e85a3a;--navy: #1a365d;--ok: #059669;--warn: #d97706;--danger: #dc2626;--border: #e5e7eb;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .06);font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;line-height:1.45;color:var(--text);background:var(--bg)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--bg)}a{color:var(--navy)}.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:0 12px 24px}.topbar{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:16px 0 8px;position:sticky;top:0;z-index:20;background:var(--bg)}.brand-name{font-weight:700;font-size:1.1rem;color:var(--navy);text-decoration:none}.tagline{margin:4px 0 0;font-size:.75rem;color:var(--muted);max-width:220px}.topbar-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}.nav{display:flex;gap:4px;background:var(--card);border-radius:999px;padding:4px;box-shadow:var(--shadow);margin-bottom:14px;position:sticky;top:64px;z-index:19}.nav-link{flex:1;text-align:center;padding:12px 6px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;text-decoration:none;font-size:.8rem;color:var(--muted);font-weight:600}.nav-link.active{background:var(--accent);color:#fff}.main{flex:1}.footer{margin-top:24px;padding-top:12px;border-top:1px solid var(--border);font-size:.72rem;color:var(--muted);text-align:center}.footer p{margin:4px 0}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.stack{display:flex;flex-direction:column;gap:12px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.section-head h1,.card h1,.card h2{margin:0 0 8px;font-size:1.15rem;color:var(--navy)}.card h2{font-size:1.05rem}.card h3{margin:0 0 8px;font-size:.95rem}.property-chip{text-decoration:none;color:inherit;display:block;transition:border-color .15s}.property-chip:hover{border-color:var(--accent)}.chip-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.chip-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.pill{font-size:.72rem;font-weight:600;padding:4px 8px;border-radius:999px;background:#f3f4f6}.pill.ok{background:#d1fae5;color:var(--ok)}.pill.warn{background:#ffedd5;color:var(--warn)}.pill.danger{background:#fee2e2;color:var(--danger)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:12px 16px;min-height:44px;font-weight:600;font-size:.95rem;cursor:pointer;text-decoration:none;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-dark)}.btn-secondary{background:var(--navy);color:#fff}.btn-ghost{background:transparent;color:var(--navy);border:1px solid var(--border)}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-sm{padding:6px 10px;font-size:.8rem}.btn-row{display:flex;gap:8px;align-items:center;margin-top:12px}.btn-row.wrap{flex-wrap:wrap}.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:600}.form input[type=text],.form input[type=date],.form input[type=number],.block-label input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:1rem;font-family:inherit;font-weight:400}.row-2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.toggle-row{flex-direction:row!important;align-items:flex-start;gap:10px!important;font-weight:400!important}.toggle-row input{margin-top:4px}.block{display:block}.block-label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:600;margin:14px 0 8px}.muted{color:var(--muted)}.small{font-size:.78rem}.free-note{margin-top:12px}.warn-text{color:var(--danger);font-size:.9rem}.ok-text{color:var(--ok);font-weight:600}.alert{padding:12px;border-radius:8px;font-size:.88rem}.alert.danger{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.hidden{display:none!important}.estimate.box{background:#f9fafb;border-radius:8px;padding:10px;margin:10px 0;font-size:.88rem}.warn-border{border-color:#fdba74}.badge{font-size:.7rem;font-weight:700;padding:4px 8px;border-radius:999px;text-decoration:none}.badge-ok{background:#d1fae5;color:var(--ok)}.badge-accent{background:var(--accent);color:#fff}.price-block{text-align:center;margin:16px 0;padding:16px;background:#fff5f2;border-radius:var(--radius);border:1px dashed var(--accent)}.price{font-size:2rem;font-weight:800;color:var(--accent)}.compare{margin:8px 0 0;font-size:.8rem;color:var(--muted)}.qr-box{margin:14px 0;text-align:center}.qr-placeholder{width:160px;height:160px;margin:0 auto 8px;background:#111;border-radius:8px;display:grid;place-items:center;position:relative;overflow:hidden}.qr-grid{width:120px;height:120px;background:repeating-conic-gradient(#fff,#fff 25%,#111 0%,#111 50%) 0 0 / 16px 16px;opacity:.9}.link-list{padding-left:18px;margin:0 0 12px;font-size:.88rem}.deadline-card h2{margin-bottom:4px}.pay-box{margin:14px 0;padding:12px;border:1px solid var(--border);border-radius:12px;background:#fff8f6}.pay-box .h2{font-size:1rem;margin:0 0 6px}.pay-dl{margin:10px 0;display:grid;gap:8px}.pay-dl>div{display:grid;grid-template-columns:110px 1fr;gap:6px;font-size:.85rem}.pay-dl dt{color:var(--muted, #64748b);font-weight:600}.pay-dl dd{margin:0;font-weight:600;word-break:break-all}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.02em}.small{font-size:.8rem}.block-label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:600;margin-top:10px}.do-today{border:2px solid var(--accent);background:#fff7f4}.do-today.ok-border{border-color:var(--ok);background:#ecfdf5}.do-today .btn{margin-top:8px}.gets-box{margin:12px 0;padding:12px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0}.gets-box .h2{margin:0 0 4px;font-size:1rem}.gets-box p{margin:0;font-weight:600}.sticky-lang{position:sticky;top:8px}.first-timer{border:2px solid var(--navy);background:linear-gradient(180deg,#fff,#f8fafc)}.first-timer h2{margin:0 0 6px;font-size:1.15rem;color:var(--navy)}.first-timer-list{margin:10px 0 12px;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.first-timer-list li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;font-weight:500}.step-num{flex-shrink:0;width:1.5rem;height:1.5rem;border-radius:999px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.do-today-kicker{margin:0;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-dark)}.do-today-main{margin:4px 0;font-size:1.25rem;font-weight:700;color:var(--navy)}.do-today-meta{margin:0 0 10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.wow-tools h2{margin:0 0 10px;font-size:1rem}